package dsp;

import java.util.ArrayList;
import java.util.List;

public class Wdf {
    public static void main(String[] args) {
        System.out.println("fufff");
        String aa = "aew.wfw.wq4";
        System.out.println(aa.lastIndexOf("."));
        String[] bb = new String[]{};
        aa.concat("&");
        List<String> array = new ArrayList<String>();
        array.add("eee");

        System.out.println(aa.split("\\.").length);
    }
}
